Home / 5,618.06-8,384.37-4,995.30

Finding the Fourth Proportional to 5,618.06, 8,384.37 and 4,995.30

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Solution

The fourth proportional to 5,618.06, 8,384.37 and 4,995.30 is: 7,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.06 : 8,384.37 = 4,995.30 : x
  2. Step 2: Convert to fraction form
    5,618.06/8,384.37 = 4,995.30/x
  3. Step 3: Cross multiply
    5,618.06x = 8,384.37 × 4,995.30
  4. Step 4: Simplify right side
    5,618.06x = 41,882,493.63
  5. Step 5: Solve for x
    x = 41,882,493.63/5,618.06
  6. Step 6: Final answer
    x = 7,454.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.